JPH06264643A - Three-dimentional vibratory isolation device - Google Patents
Three-dimentional vibratory isolation deviceInfo
- Publication number
- JPH06264643A JPH06264643A JP5058693A JP5058693A JPH06264643A JP H06264643 A JPH06264643 A JP H06264643A JP 5058693 A JP5058693 A JP 5058693A JP 5058693 A JP5058693 A JP 5058693A JP H06264643 A JPH06264643 A JP H06264643A
- Authority
- JP
- Japan
- Prior art keywords
- laminated rubber
- rigid member
- flange
- thin
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は水平と鉛直の3次元方
向の振動を絶縁する3次元免震装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional seismic isolation device that insulates vibrations in the horizontal and vertical directions.
【0002】[0002]
【従来技術及び発明が解決しようとする課題】構造物の
免震装置として一般に使用される積層ゴム支承には現
在、絶縁機能のみを持つ積層ゴムの他、ダンパ機能を併
せ持つ鉛入り積層ゴムや高減衰積層ゴムがあるが、いず
れも絶縁の対象が水平方向の振動に限られている。鋼板
と積層化されるゴムの肉厚を大きくし、鉛直方向の固有
振動数を低くすることにより鉛直振動を絶縁する方法も
あるが、水平振動の絶縁機能も同時に持たせる必要か
ら、絶縁可能な振動が交通振動等の微振動に限定されて
おり、主として水平方向に機能する免震装置を単独で鉛
直方向の振動に対しても機能させることは事実上、不可
能である。2. Description of the Related Art A laminated rubber bearing generally used as a seismic isolation device for structures is currently used in addition to a laminated rubber having only an insulating function, a laminated rubber containing a damper function and There are damping laminated rubbers, but the target of insulation is limited to horizontal vibration. There is also a method to insulate vertical vibration by increasing the wall thickness of the steel plate and the rubber laminated and lowering the natural frequency in the vertical direction, but it is possible to insulate because it needs to have an insulation function for horizontal vibration at the same time. The vibrations are limited to minute vibrations such as traffic vibrations, and it is virtually impossible for the seismic isolation device that mainly functions in the horizontal direction to function independently even in the vertical direction.
【0003】この発明は上記背景を踏まえてなされたも
ので、3次元の任意の方向の振動に対して機能する免震
装置を新たに提案しようとするものである。The present invention has been made in view of the above background, and is intended to newly propose a seismic isolation device that functions against vibrations in arbitrary three-dimensional directions.
【0004】[0004]
【課題を解決するための手段】本発明では鋼板と薄肉ゴ
ムからなり、水平剛性が小さい薄肉積層ゴムと、鋼板と
厚肉ゴムからなり、鉛直剛性が小さい厚肉積層ゴムを直
列に、または上下のフランジを介して並列に接続し、そ
れぞれを独立して機能させることにより単一の装置で3
次元の任意の方向の振動を絶縁する。According to the present invention, a thin-walled laminated rubber consisting of a steel plate and a thin rubber, which has a small horizontal rigidity, and a thick laminated rubber composed of a steel plate and a thick rubber, which has a low vertical rigidity are connected in series or vertically. 3 in a single device by connecting in parallel through the flanges of each and making each function independent
Isolate vibrations in any direction of the dimension.
【0005】薄肉積層ゴムと厚肉積層ゴムとが直列に接
続される場合、それぞれの一端にフランジが接着され、
水平振動を絶縁する薄肉積層ゴムが一方のフランジから
切り離されるが、厚肉積層ゴムの回りに剛な剛性部材が
配置されると同時に、剛性部材,もしくは厚肉積層ゴム
に薄肉積層ゴムが接着され、剛性部材に薄肉積層ゴムか
ら切り離されるフランジが水平に係合することにより両
フランジ間の水平振動が薄肉積層ゴムに伝達される。When the thin laminated rubber and the thick laminated rubber are connected in series, a flange is bonded to one end of each,
The thin laminated rubber that insulates horizontal vibration is separated from one flange, but a rigid rigid member is placed around the thick laminated rubber, and at the same time, the thin laminated rubber is bonded to the rigid member or the thick laminated rubber. The horizontal vibration between both flanges is transmitted to the thin laminated rubber by horizontally engaging the rigid member with the flange separated from the thin laminated rubber.
【0006】厚肉積層ゴムに接着されるフランジは剛性
部材に対してその軸方向に相対移動自在に剛性部材の外
周を包囲し、水平振動時に剛性部材に係合することによ
り上下のフランジ間の水平振動を薄肉積層ゴムの両端に
伝達し、鉛直振動時には剛性部材に対して相対移動する
ことにより振動を厚肉積層ゴムに伝達し、薄肉積層ゴム
への伝達を回避する。The flange bonded to the thick laminated rubber surrounds the outer periphery of the rigid member so as to be relatively movable in the axial direction with respect to the rigid member, and engages with the rigid member during horizontal vibration, so that the flange between the upper and lower flanges is The horizontal vibration is transmitted to both ends of the thin laminated rubber, and when vertical vibration is made, the vibration is transmitted to the thick laminated rubber by moving relative to the rigid member, and transmission to the thin laminated rubber is avoided.
【0007】厚肉積層ゴムは剛性部材内に収納され、厚
肉積層ゴムに接着されるフランジが剛性部材に係合する
ことにより水平振動時にそのフランジと共に挙動し、水
平振動の、厚肉積層ゴムへの伝達が回避される。剛性部
材の長さは厚肉積層ゴムの成より小さく、厚肉積層ゴム
が剛性部材より突出してフランジに接着されることによ
り剛性部材とその側のフランジとの間に、上下のフラン
ジ間に鉛直変位を生じさせるためのクリアランスが確保
される。The thick laminated rubber is housed in a rigid member, and the flange adhered to the thick laminated rubber engages with the rigid member to behave together with the flange during horizontal vibration. To be avoided. The length of the rigid member is smaller than that of the thick laminated rubber, and the thick laminated rubber protrudes from the rigid member and is bonded to the flange, so that the vertical direction is provided between the rigid member and the flange on that side and between the upper and lower flanges. A clearance for causing the displacement is secured.
【0008】両積層ゴムが並列に接続される場合、厚肉
積層ゴムは内法が薄肉積層ゴムの幅より大きい中空断面
形状をし、厚肉積層ゴムは薄肉積層ゴムの周囲を包囲し
て配置され、その軸方向両端にフランジが接着され、薄
肉積層ゴムには一方のフランジが接着される。フランジ
は薄肉積層ゴムの一端にのみ接着されることから、この
場合も薄肉積層ゴムが一方のフランジから切り離される
が、直列の場合と同様に薄肉積層ゴムの、切り離された
フランジ側に剛性部材が接着され、剛性部材にフランジ
が水平に係合することにより両フランジ間の水平振動が
薄肉積層ゴムに伝達される。When both laminated rubbers are connected in parallel, the thick laminated rubber has a hollow cross-sectional shape whose inner dimension is larger than the width of the thin laminated rubber, and the thick laminated rubber surrounds the thin laminated rubber. Then, the flanges are bonded to both ends in the axial direction, and one flange is bonded to the thin laminated rubber. Since the flange is bonded only to one end of the thin laminated rubber, the thin laminated rubber is also separated from one flange in this case as well, but as in the case of series, the rigid member is attached to the separated flange side of the thin laminated rubber. The horizontal vibration between both the flanges is transmitted to the thin laminated rubber by being adhered and horizontally engaging the flange with the rigid member.
【0009】剛性部材側のフランジと剛性部材との間に
は、両者間の鉛直方向の相対移動を許容するためにクリ
アランスが確保される。この薄肉積層ゴムから切り離さ
れる側のフランジは剛性部材に対してその軸方向に相対
移動自在に剛性部材の外周を包囲し、水平振動時に剛性
部材に係合することにより上下のフランジ間の水平振動
を薄肉積層ゴムに伝達し、鉛直振動時には剛性部材に対
して相対移動することにより振動を厚肉積層ゴムに伝達
し、薄肉積層ゴムへの伝達を回避する。A clearance is secured between the rigid member side flange and the rigid member in order to allow relative movement in the vertical direction therebetween. The flange on the side separated from the thin laminated rubber surrounds the outer periphery of the rigid member so as to be relatively movable in the axial direction with respect to the rigid member, and engages with the rigid member during horizontal vibration to cause horizontal vibration between the upper and lower flanges. Is transmitted to the thin laminated rubber, and when vertical vibration is performed, the vibration is transmitted to the thick laminated rubber by moving relative to the rigid member, and transmission to the thin laminated rubber is avoided.
【0010】[0010]
【実施例】以下本発明を一実施例を示す図面に基づいて
説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing an embodiment.
【0011】この発明の免震装置1は図1,図4に示す
ように上下の各構造物に固定されるフランジ5,6と、
鋼板21と薄肉ゴム22からなり、水平剛性が小さく、水平
振動を絶縁する薄肉積層ゴム2と、鋼板31と厚肉ゴム32
からなり、鉛直剛性が小さく、鉛直振動を絶縁する厚肉
積層ゴム3とから構成され、上部のフランジ5と下部の
フランジ6間の、3次元の任意の方向の振動を絶縁する
ものである。図2,図5はそれぞれ図1,図4に示す免
震装置1の外観を示す。As shown in FIGS. 1 and 4, the seismic isolation device 1 of the present invention includes flanges 5 and 6 fixed to upper and lower structures, respectively.
A thin laminated rubber 2 composed of a steel plate 21 and a thin rubber 22, which has low horizontal rigidity and insulates horizontal vibration, and a steel plate 31 and a thick rubber 32.
It is composed of a thick laminated rubber 3 which has a low vertical rigidity and insulates vertical vibrations, and insulates vibrations in an arbitrary three-dimensional direction between the upper flange 5 and the lower flange 6. 2 and 5 show the external appearance of the seismic isolation device 1 shown in FIGS. 1 and 4, respectively.
【0012】まず請求項1記載の免震装置1を説明す
る。この免震装置1は図1に示すように中実断面形状の
薄肉積層ゴム2と、同じく中実断面形状の厚肉積層ゴム
3を直列に接続したもので、この発明では免震装置1に
よって上下に区分される各構造物に固定されるフランジ
5,6は厚肉積層ゴム3の一端と薄肉積層ゴム2の一端
に接着される。実施例では厚肉積層ゴム3が中実断面形
状であることから、図1,図3に示すように鉛直剛性を
低下させるために軸方向に貫通する複数個の孔33を明け
ている。First, the seismic isolation device 1 according to claim 1 will be described. As shown in FIG. 1, this seismic isolation device 1 comprises a thin laminated rubber 2 having a solid cross-sectional shape and a thick laminated rubber 3 similarly having a solid cross-sectional shape connected in series. The flanges 5 and 6 fixed to the vertically divided structures are bonded to one end of the thick laminated rubber 3 and one end of the thin laminated rubber 2. In the embodiment, since the thick laminated rubber 3 has a solid cross-sectional shape, a plurality of holes 33 penetrating in the axial direction are opened in order to reduce the vertical rigidity, as shown in FIGS.
【0013】厚肉積層ゴム3側のフランジ、実施例の場
合は上部のフランジ5が薄肉積層ゴム2から切り離され
ることから、上下のフランジ5,6間の相対水平変位を
薄肉積層ゴム2に伝達するために、薄肉積層ゴム2は上
部のフランジ5と共に下部のフランジ6に対して水平に
移動する剛な、中空の剛性部材4,もしくはその内部に
収納される厚肉積層ゴム3に接着される。Since the flange on the thick laminated rubber 3 side, in the case of the embodiment, the upper flange 5 is separated from the thin laminated rubber 2, the relative horizontal displacement between the upper and lower flanges 5, 6 is transmitted to the thin laminated rubber 2. In order to do so, the thin laminated rubber 2 is bonded to the rigid hollow hollow rigid member 4, which moves horizontally with the upper flange 5 relative to the lower flange 6, or the thick laminated rubber 3 housed therein. .
【0014】厚肉積層ゴム3は剛性部材4内に収納さ
れ、鉛直振動時に機能することから、その側のフランジ
5と剛性部材4,または薄肉積層ゴム2に接着され、水
平振動時には剛性部材4に水平に係合する上部のフラン
ジ5と共に挙動する。剛性部材4の長さは厚肉積層ゴム
3の成より小さく、厚肉積層ゴム3が剛性部材4から突
出してフランジ5に接着されることにより剛性部材4と
フランジ5との間にクリアランスが確保され、このクリ
アランスによって両フランジ5,6間に鉛直振動が生じ
る。図1に示すように剛性部材4の、薄肉積層ゴム2側
の端面が閉鎖する場合、薄肉積層ゴム2はこの剛性部材
4に接着され、開放する場合には厚肉積層ゴム3の端面
に接着される。The thick laminated rubber 3 is housed in the rigid member 4 and functions at the time of vertical vibration. Therefore, the thick laminated rubber 3 is adhered to the flange 5 and the rigid member 4 or the thin laminated rubber 2 on that side, and the rigid member 4 is vibrated during horizontal vibration. Behaves with the upper flange 5 which engages horizontally. The length of the rigid member 4 is smaller than that of the thick laminated rubber 3, and the thick laminated rubber 3 protrudes from the rigid member 4 and is bonded to the flange 5 to secure a clearance between the rigid member 4 and the flange 5. This clearance causes vertical vibration between the flanges 5 and 6. As shown in FIG. 1, when the end surface of the rigid member 4 on the side of the thin laminated rubber 2 is closed, the thin laminated rubber 2 is adhered to the rigid member 4, and when opened, it is adhered to the end surface of the thick laminated rubber 3. To be done.
【0015】厚肉積層ゴム3に接着されるフランジ5は
図1,図3に示すように剛性部材4に水平に係合し、そ
の、下部のフランジ6に対する相対水平変位を薄肉積層
ゴム2に伝達するための筒状の係合部51を持ち、係合部
51は剛性部材4に対してその軸方向に相対移動自在に、
剛性部材4の外周に接触,またはそれに近い状態で剛性
部材4を包囲する。係合部51は剛性部材4への水平力伝
達時の応力に抵抗するために厚肉に形成される。The flange 5 bonded to the thick laminated rubber 3 horizontally engages the rigid member 4 as shown in FIGS. 1 and 3, and its relative horizontal displacement with respect to the lower flange 6 causes the thin laminated rubber 2 to move. It has a cylindrical engaging portion 51 for transmitting, and the engaging portion
51 is movable relative to the rigid member 4 in its axial direction,
The rigid member 4 is surrounded so as to be in contact with or close to the outer periphery of the rigid member 4. The engaging portion 51 is formed thick so as to resist the stress when the horizontal force is transmitted to the rigid member 4.
【0016】両フランジ5,6間の相対水平変位時には
フランジ5の係合部51が剛性部材4に係合し、剛性部材
4がフランジ6に対して変位することにより薄肉積層ゴ
ム2が水平変形し、振動を絶縁する。このとき、厚肉積
層ゴム3の両端間には変位を生じないため厚肉積層ゴム
3は変形を生じない。When the flanges 5 and 6 are relatively horizontally displaced, the engaging portion 51 of the flange 5 engages with the rigid member 4 and the rigid member 4 is displaced with respect to the flange 6, whereby the thin laminated rubber 2 is horizontally deformed. And isolate the vibration. At this time, no displacement occurs between both ends of the thick laminated rubber 3, so that the thick laminated rubber 3 does not deform.
【0017】フランジ5,6間の鉛直変位時にはフラン
ジ5が剛性部材4に沿って軸方向に変位することにより
厚肉積層ゴム3が鉛直変形し、振動を絶縁する。薄肉積
層ゴム2は鉛直剛性が高いため鉛直振動時には実質的に
機能しない。At the time of vertical displacement between the flanges 5 and 6, the flange 5 is axially displaced along the rigid member 4 so that the thick laminated rubber 3 is vertically deformed to insulate vibration. Since the thin laminated rubber 2 has high vertical rigidity, it does not substantially function during vertical vibration.
【0018】続いて請求項2記載の免震装置1を説明す
る。この免震装置1は図4に示すように中実断面形状の
薄肉積層ゴム2と、中空断面形状の厚肉積層ゴム3を並
列に配置したものである。Next, the seismic isolation device 1 according to claim 2 will be described. As shown in FIG. 4, the seismic isolation device 1 includes a thin laminated rubber 2 having a solid cross section and a thick laminated rubber 3 having a hollow cross section arranged in parallel.
【0019】厚肉積層ゴム3の内法(内径)は薄肉積層
ゴム2の幅(径)より大きく、厚肉積層ゴム3は薄肉積
層ゴム2の周囲を包囲し、鉛直振動時に機能させるため
にその軸方向両端にフランジ5,6が接着される。The inner diameter (inner diameter) of the thick laminated rubber 3 is larger than the width (diameter) of the thin laminated rubber 2, and the thick laminated rubber 3 surrounds the thin laminated rubber 2 to make it function during vertical vibration. Flange 5 and 6 are adhered to both ends in the axial direction.
【0020】薄肉積層ゴム2の一端には一方のフランジ
6が接着されるが、他方のフランジ5が薄肉積層ゴム2
から切り離されることから、この発明でも上下のフラン
ジ5,6間の相対水平変位を薄肉積層ゴム2に伝達する
ために、薄肉積層ゴム2の他方のフランジ5側にはフラ
ンジ5に包囲される、剛な剛性部材4が設置され、これ
に薄肉積層ゴム2が接着される。この剛性部材4とその
側のフランジ5との間には両フランジ5,6間に鉛直変
位を生じさせるために鉛直方向にクリアランスが確保さ
れる。One flange 6 is bonded to one end of the thin laminated rubber 2 while the other flange 5 is attached to the thin laminated rubber 2.
Therefore, in the present invention as well, in order to transmit the relative horizontal displacement between the upper and lower flanges 5 and 6 to the thin rubber laminate 2, the other flange 5 side of the thin rubber laminate 2 is surrounded by the flange 5. A rigid rigid member 4 is installed and the thin laminated rubber 2 is adhered thereto. A clearance is secured in the vertical direction between the rigid member 4 and the flange 5 on that side in order to cause a vertical displacement between the flanges 5 and 6.
【0021】剛性部材4側のフランジ5は上記発明の免
震装置1と同様に筒状の係合部51を持ち、係合部51は剛
性部材4に対してその軸方向に相対移動自在に、剛性部
材4の外周に接触,またはそれに近い状態で剛性部材4
を包囲する。The flange 5 on the side of the rigid member 4 has a cylindrical engaging portion 51 as in the seismic isolation device 1 of the present invention, and the engaging portion 51 is movable relative to the rigid member 4 in its axial direction. , The rigid member 4 in contact with or close to the outer circumference of the rigid member 4
Siege.
【0022】両フランジ5,6間の相対水平変位時には
上部のフランジ5の係合部51が剛性部材4に係合し、剛
性部材4が下部のフランジ6に対して変位することによ
り薄肉積層ゴム2が変形を生じ、振動を絶縁する。フラ
ンジ5,6間の鉛直変位時には上部のフランジ5が剛性
部材4に沿って軸方向に変位することにより厚肉積層ゴ
ム3が変形し、振動を絶縁する。鉛直振動時には振動が
剛性部材4には伝達されないため薄肉積層ゴム2は機能
しない。At the time of relative horizontal displacement between the flanges 5 and 6, the engaging portion 51 of the upper flange 5 engages with the rigid member 4, and the rigid member 4 is displaced with respect to the lower flange 6, whereby thin laminated rubber 2 deforms and isolates vibrations. At the time of vertical displacement between the flanges 5 and 6, the upper flange 5 is axially displaced along the rigid member 4, whereby the thick laminated rubber 3 is deformed and isolates vibration. At the time of vertical vibration, the vibration is not transmitted to the rigid member 4, so that the thin laminated rubber 2 does not function.
【0023】この発明では剛性部材4を中空にし、その
内部とフランジ5との間のクリアランスを利用すること
により、図示するように1方向の相対変位によって減衰
力を発生する粘性ダンパ7をフランジ5と薄肉積層ゴム
2間に設置することが可能で、鉛直振動の絶縁と同時に
振動を減衰させることができる。In the present invention, by making the rigid member 4 hollow and utilizing the clearance between the inside and the flange 5, the viscous damper 7 for generating the damping force by the relative displacement in one direction as shown in the drawing is installed in the flange 5. Can be installed between the thin laminated rubber 2 and the rubber, and the vibration can be damped at the same time as the insulation of the vertical vibration.
【0024】図6,図7は上記いずれかの免震装置1の
構造物への設置例を示したものである。FIGS. 6 and 7 show examples of installation of any one of the seismic isolation devices 1 on a structure.
【0025】[0025]
【発明の効果】この発明は以上の通りであり、水平剛性
が小さく、水平振動を絶縁する薄肉積層ゴムと、鉛直剛
性が小さく、鉛直振動を絶縁する厚肉積層ゴムを直列
に、または上下のフランジを介して並列に接続し、それ
ぞれを独立して機能させるものであるため単一の装置で
3次元の任意の方向の振動を絶縁することができる。The present invention is as described above, and a thin laminated rubber that has a low horizontal rigidity and insulates horizontal vibrations and a thick laminated rubber that has a low vertical rigidity and insulates vertical vibrations are connected in series or in a vertical direction. Since they are connected in parallel through the flanges and each functions independently, it is possible to insulate vibration in arbitrary three-dimensional directions with a single device.
【図1】請求項1記載発明の免震装置を示した縦断面図
である。FIG. 1 is a vertical sectional view showing a seismic isolation device according to a first aspect of the invention.
【図2】図1の免震装置を示した立面図である。2 is an elevation view showing the seismic isolation device of FIG. 1. FIG.
【図3】図2の横断面図である。3 is a cross-sectional view of FIG.
【図4】請求項2記載発明の免震装置を示した縦断面図
である。FIG. 4 is a longitudinal sectional view showing a seismic isolation device according to a second aspect of the invention.
【図5】図4の免震装置を示した立面図である。5 is an elevation view showing the seismic isolation device of FIG. 4. FIG.
【図6】免震装置の設置例を示した立面図である。FIG. 6 is an elevational view showing an installation example of a seismic isolation device.
【図7】図6の平面図である。FIG. 7 is a plan view of FIG.
1……免震装置、2……薄肉積層ゴム、21……鋼板、22
……薄肉ゴム、3……厚肉積層ゴム、31……鋼板、32…
…厚肉ゴム、33……孔、4……剛性部材、5,6……フ
ランジ、7……粘性ダンパ。1 ... Seismic isolation device, 2 ... Thin laminated rubber, 21 ... Steel plate, 22
...... Thin rubber, 3 …… Thick laminated rubber, 31 …… Steel plate, 32…
… Thick rubber, 33… Hole, 4… Rigid member, 5, 6… Flange, 7… Viscous damper.
Claims (2)
と、鋼板と薄肉ゴムからなり、水平剛性が小さく、一方
のフランジに接着される薄肉積層ゴムと、鋼板と厚肉ゴ
ムからなり、鉛直剛性が小さく、他方のフランジに接着
される厚肉積層ゴムとから構成され、厚肉積層ゴムはそ
の成より短く、剛な、中空の剛性部材内に収納されて薄
肉積層ゴムの一端に接続され、厚肉積層ゴムに接着され
るフランジは剛性部材に対して軸方向に相対移動自在に
剛性部材の外周を包囲していることを特徴とする3次元
免震装置。1. A flange fixed to each of the upper and lower structures, a steel plate and thin rubber, which has low horizontal rigidity, a thin laminated rubber bonded to one flange, a steel plate and thick rubber, and a vertical It is composed of thick laminated rubber that has low rigidity and is adhered to the other flange. The thick laminated rubber is stored in a rigid, hollow, rigid member that is shorter than that, and is connected to one end of the thin laminated rubber. The three-dimensional seismic isolation device is characterized in that the flange bonded to the thick laminated rubber surrounds the outer periphery of the rigid member so as to be movable relative to the rigid member in the axial direction.
と、鋼板と薄肉ゴムからなり、水平剛性が小さく、一方
のフランジに接着される薄肉積層ゴムと、鋼板と厚肉ゴ
ムからなり、鉛直剛性が小さく、両フランジに接着され
る、内法が薄肉積層ゴムの幅より大きい中空断面形状の
厚肉積層ゴムとから構成され、厚肉積層ゴムは薄肉積層
ゴムの周囲を包囲し、薄肉積層ゴムの一端には剛な剛性
部材が接着されており、剛性部材側のフランジは剛性部
材との間に軸方向にクリアランスを持ち、剛性部材に対
して軸方向に相対移動自在に剛性部材の外周を包囲して
いることを特徴とする3次元免震装置。2. A flange fixed to each of the upper and lower structures, a steel plate and a thin rubber, which has low horizontal rigidity, a thin laminated rubber bonded to one flange, a steel plate and a thick rubber, and a vertical It is composed of a thick laminated rubber with a hollow cross section that has a small rigidity and is bonded to both flanges, and the inner method is larger than the width of the thin laminated rubber. The thick laminated rubber surrounds the thin laminated rubber to form a thin laminated rubber. A rigid rigid member is bonded to one end of the rubber, and the flange on the rigid member side has a clearance in the axial direction with the rigid member so that it can move relative to the rigid member in the axial direction. A three-dimensional seismic isolation device that is characterized by surrounding the
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5058693A JP2595871B2 (en) | 1993-03-11 | 1993-03-11 | 3D seismic isolation device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5058693A JP2595871B2 (en) | 1993-03-11 | 1993-03-11 | 3D seismic isolation device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06264643A true JPH06264643A (en) | 1994-09-20 |
JP2595871B2 JP2595871B2 (en) | 1997-04-02 |
Family
ID=12863082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5058693A Expired - Lifetime JP2595871B2 (en) | 1993-03-11 | 1993-03-11 | 3D seismic isolation device |
Country Status (1)
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JP (1) | JP2595871B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011099544A (en) * | 2009-11-09 | 2011-05-19 | Bridgestone Corp | Base isolation device |
US20130104467A1 (en) * | 2010-06-14 | 2013-05-02 | National University Corporation Kumamoto University | Vibration damping device |
-
1993
- 1993-03-11 JP JP5058693A patent/JP2595871B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011099544A (en) * | 2009-11-09 | 2011-05-19 | Bridgestone Corp | Base isolation device |
US20130104467A1 (en) * | 2010-06-14 | 2013-05-02 | National University Corporation Kumamoto University | Vibration damping device |
US9051733B2 (en) * | 2010-06-14 | 2015-06-09 | National University Corporation Kumamoto University | Vibration damping device |
Also Published As
Publication number | Publication date |
---|---|
JP2595871B2 (en) | 1997-04-02 |
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